Megan Singleton: BloggerAtLarge.com writer on how to make the most of your spending to earn Airpoints

One of the perks of using credit cards is the Airpoints rewards - but there's benefits and pitfalls involved. A Platinum AMEX, for instance, will give you points for every $70 spent - but it comes with a higher annual fee than the Airpoints Low Fee Visa card. You can also earn Airpoints through New World's rewards programme, but it takes a bit of spending to make a significant impact. BloggerAtLarge.com writer Megan Singleton explains further. LISTEN ABOVESee omnystudio.com/listener for privacy information.